# How to Calculate Load Bearing Beams?

Calculators on the internet can be used to get an idea of what the answer is; however, ensuring all calculations were correct is not possible. Consulting a professional, especially when building, is advised.
How to Calculate Load Bearing Beams
The theoretical size of a load bearing beam required to support a particular weight is easy to calculate, but the choice of the actual beam depends on taking into account the factors of the particular situation. To address possible imperfections and weak... More »
Difficulty: Moderately Challenging
Source: www.ehow.com
Q&A Related to "How to Calculate Load Bearing Beams?"
 1. Calculate the weight the beam must support. For a flat roof with snow loading, this is 25 lbs. per square foot for northern areas of the U.S. For rooms which are heavily frequented http://www.ehow.com/how_7986170_calculate-load-bea...
 If you recon a medium sized beam will do the job, but you are not so sure, follow this simple fomula. medium sized beam x doubt = Bigger beam. http://wiki.answers.com/Q/How_to_calculate_loads_o...
 For maximum tensile stress: f = M x y/I. Where: f is the stress in the extreme tension fibre (ie maximum stress in the beam) M is maximum moment. I is the moment of inertia (Moment http://answers.yahoo.com/question/index?qid=201206...
 What you are describing is beyond most do-it-yourselfers. You'll need to properly size and install the beam and provide new columns to support it down to the foundation, which may http://en.allexperts.com/q/Building-Homes-Extensio...
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